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    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
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  • ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
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Guidelines
Are you having HotKey issues? Click here for tips and tricks.
HP Recommended
Example: Laptop model 15-db1005ds

I was watching a t.v. service. The screen went blue background and displayed a message that my computer needs to restart. It is collecting info and will restart. The screen went black and came back displaying the following message:

Boot Device Not Found 

Please install an operating system on your hard disk:

Hard Disk (3FO)

F2 System Diagnostics

For more information,  please visit: www.hp.com/go/techcenter/startup

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.